7 terms
An access log is a server file that records one line per handled request, with client address, time, request, status code, response size and timing.
An application log is the record of events written by the software running on a server, describing its own actions, decisions and failures in detail.
An error log is the file or stream where a server or application records failures, warnings and diagnostics, used to find and fix problems quickly.
A health check is an automated probe that tests whether a server or service is working correctly, feeding monitoring, alerts and load balancer decisions.
Log aggregation collects logs from many servers and applications into one central system where they can be searched, correlated, retained and alerted on.
Log rotation is the scheduled renaming, compression and deletion of server log files, keeping disk usage bounded while preserving recent logs for analysis.
Syslog is the standard protocol and message format servers and network devices use to send log events, tagged by facility and severity, to collectors.